Buckle



FIG. 1 is a perspective view of a buckle according to my new design with its upper cover and lower cam in an overlapped position;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a perspective view of the buckle according to my new design in a state in which a strap is fastened between its upper cover and lower cam.

FIG. 9 is a perspective view of the buckle according to my new design in a state in which its upper cover and lower cam are not combined; and,

FIG. 10 is a perspective view of the buckle according to my new design in a state in which its upper cover and lower cam are combined and the upper cover is open to be used.

It being understood that the broken line showing of a strap in FIG. 8 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a buckle, as shown and described. 